Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 900 · 40 questions

How to solve it (Throw away the weeks): Count the days between the two dates (use the month lengths: 30 or 31, February 28 in an ordinary year). Divide by 7: whole weeks do not change the day; the remainder does. Count the remainder on from the starting day.

1. 1.Today is Friday. What day of the week will it be after 15 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
2. 2.If 11 July is a Friday, what day of the week is 24 July? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
3. 3.Today is Monday. What day of the week will it be after 27 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
4. 4.If 9 January is a Friday, what day of the week is 23 January? (a) Saturday (b) Sunday (c) Thursday (d) Friday
5. 5.Today is Tuesday. What day of the week will it be after 13 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
6. 6.If 18 March is a Thursday, what day of the week is 19 April? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
7. 7.If 12 May is a Monday, what day of the week is 5 June? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
8. 8.If 11 January is a Thursday, what day of the week is 27 January? (a) Monday (b) Sunday (c) Saturday (d) Friday
9. 9.If 14 July is a Tuesday, what day of the week is 30 July? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
10. 10.If 21 November is a Monday, what day of the week is 12 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
11. 11.If 13 April is a Thursday, what day of the week is 15 May? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
12. 12.If 12 July is a Monday, what day of the week is 25 July? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
13. 13.Today is Saturday. What day of the week will it be after 60 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
14. 14.Today is Thursday. What day of the week will it be after 29 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
15. 15.If 9 December is a Sunday, what day of the week is 25 December? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
16. 16.If 5 October is a Thursday, what day of the week is 13 October? (a) Sunday (b) Thursday (c) Friday (d) Saturday
17. 17.Today is Tuesday. What day of the week will it be after 66 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
18. 18.If 30 August is a Wednesday, what day of the week is 18 September? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
19. 19.If 25 April is a Sunday, what day of the week is 20 May? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
20. 20.If 24 June is a Thursday, what day of the week is 6 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
21. 21.If 11 October is a Tuesday, what day of the week is 24 October? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
22. 22.If 15 June is a Monday, what day of the week is 3 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
23. 23.Today is Tuesday. What day of the week will it be after 80 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
24. 24.If 12 October is a Saturday, what day of the week is 20 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
25. 25.If 15 May is a Wednesday, what day of the week is 25 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
26. 26.If 9 May is a Saturday, what day of the week is 23 May? (a) Monday (b) Sunday (c) Saturday (d) Friday
27. 27.If 11 July is a Tuesday, what day of the week is 21 July? (a) Sunday (b) Thursday (c) Friday (d) Saturday
28. 28.Today is Friday. What day of the week will it be after 14 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
29. 29.If 22 April is a Monday, what day of the week is 18 May? (a) Sunday (b) Saturday (c) Friday (d) Monday
30. 30.Today is Tuesday. What day of the week will it be after 88 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
31. 31.Today is Thursday. What day of the week will it be after 97 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
32. 32.If 4 October is a Wednesday, what day of the week is 12 October? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
33. 33.If 19 May is a Thursday, what day of the week is 5 June? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
34. 34.If 13 December is a Monday, what day of the week is 27 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
35. 35.If 13 January is a Tuesday, what day of the week is 20 February? (a) Friday (b) Thursday (c) Saturday (d) Sunday
36. 36.Today is Thursday. What day of the week will it be after 90 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
37. 37.Today is Monday. What day of the week will it be after 66 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
38. 38.If 12 January is a Thursday, what day of the week is 20 January? (a) Thursday (b) Saturday (c) Friday (d) Sunday
39. 39.If 5 July is a Friday, what day of the week is 20 July? (a) Saturday (b) Friday (c) Sunday (d) Monday
40. 40.If 10 January is a Monday, what day of the week is 9 February? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday

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